Bed frame



FIG. 1 is a perspective view of a bed frame, showing my new design;

FIG. 2 is a front view thereof.

FIG. 3 is a rear view thereof.

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines depict portions of the bed frame that form no part ofthe claimed design.

CLAIM The ornamental design for a bed frame, as shown and as described.